gallous vs gallows

gallous and gallows both are nouns.

Word	Noun	Adjective	Verb	Adverb
gallous	Yes	No	No	No
gallows	Yes	No	No	No

As nouns, gallows is a hypernym of gallous; that is, gallows is a word with a broader meaning than gallous:

gallous: alternative terms for gallows
gallows: an instrument of execution consisting of a wooden frame from which a condemned person is executed by hanging

gallous (noun)	gallows (noun)
alternative terms for gallows	an instrument of execution consisting of a wooden frame from which a condemned person is executed by hanging